* {
    margin: 0;
    padding: 0;
}

body {
    background-image: url(./img/beijing.jpg);
    background-size: cover;
    background-repeat: no-repeat;
}

.header {
    display: flex;
    width: 100%;
    height: 50px;
    background-color: rgb(148, 148, 228);
}

.header a {
    padding-left: 260px;
    line-height: 50px;
    text-decoration: none;
    font-size: 18px;
    letter-spacing: 2px;
    word-spacing: 5px;
}

.nav {
    display: flex;
    font-size: 12px;
    color: darkgray;
    font-weight: bold;
    margin-top: 40px;
    margin-left: 40px;
}

.nav-fool {
    display: flex;
    margin-left: 490px;
}

.nav-box {
    display: flex;
    font-size: 20px;
    margin-left: 40px;
    margin-top: 10px;
}

.nav-box a {
    color: rgb(237, 23, 23);
}

.nav-box p {
    color: rgb(2, 57, 158);
    text-decoration: underline solid rgb(2, 57, 158);
}

.nav-box underlined-text {
    width: 50px;
}

.main {
    display: flex;
    width: 700px;
    height: 200px;
    margin-top: 4px;
    margin-left: 25px;
    background-color: rgb(252, 253, 253);
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1);
    border-radius: 30px;
}

.main img {
    border-radius: 30px;
    padding-top: 15px;
    padding-bottom: 20px;
    padding-left: 20px;
}

.main-right {
    height: 70px;
    width: 600px;
    padding: 20px 40px;
    white-space: nowrap;
}

.main-button-1 {
    width: 100px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: 5px;
    color: blue;
    background-color: rgb(239, 240, 240);
    padding: 0 20px;
    margin-top: 130px;
    position: relative;
    right: 480px;
    white-space: nowrap;
}

.main-button-2 {
    width: 100px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: 5px;
    color: blue;
    background-color: rgb(239, 240, 240);
    padding: 0 20px;
    margin-top: 130px;
    position: relative;
    right: 440px;
    white-space: nowrap;
}

.foot {
    display: flex;
    margin-top: 5px;
}

.foot p {
    font-size: 12px;
    color: darkgray;
    font-weight: bold;
    margin-left: 40px;
    margin-top: 4px;
}

.foot img {
    width: 1.5%;
    height: auto;
}